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Test List
Name:
Chemistry 2
Created By:
V. Gokal
Max Time:
5 mins
Select an option for each question and click Submit
1. The graph below represents the change in potential energy against the following reaction:
N
2
O
4
(g) ↔ 2NO
2
(g)
Which one of the following statements is correct?
the forward reaction is exothermic
the heat of reaction for the forward reaction is Y-X
the activation energy for the forward reaction is Z–Y
the activation energy for the reverse reaction is Z–X
2. What is the empirical formula for alkenes that have one double bond?
C
n
H
2n
CH
2
C
n
H
2n + 2
C
n
H
2n - 2
3. Which one of the following is not a functional group?
a double bond
a hydroxyl group
a bonding pair of electrons
a methyl group
4. Concentrated hydrochloric acid is added to a saturated solution of hydrogen sulphide. Bubbles are then observed.
H
2
S ↔ HS
-
+ H
+
the bubbles contain HCl gas
the bubbles contain water molecules
the bubbles contain H
2
S gas
the equilibrium has shifted to the right
5. Which one of the following cannot be an ester?
C
2
H
4
O
2
C
3
H
8
O
2
C
3
H
6
O
2
C
4
H
8
O
2
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